short wave transmitter

简明释义

短波发射机

英英释义

例句

1.During the emergency, the team relied on a short wave transmitter to send distress signals.

在紧急情况下，团队依靠一个短波发射器发送求救信号。

2.The short wave transmitter allowed the researchers to broadcast their findings to remote areas.

这个短波发射器使研究人员能够将他们的发现广播到偏远地区。

3.The amateur radio operator used a short wave transmitter to communicate with fellow enthusiasts around the world.

这位业余无线电爱好者使用了一个短波发射器与世界各地的同好进行交流。

4.The short wave transmitter can reach long distances, making it ideal for international broadcasts.

这个短波发射器可以达到很长的距离，非常适合国际广播。

5.I bought a new short wave transmitter for my radio setup to improve reception.

我为我的无线电设备购买了一个新的短波发射器以改善接收效果。

作文

In today's world, communication is vital for the functioning of society. One of the key components that has played a significant role in long-distance communication is the short wave transmitter. A short wave transmitter is a device that transmits radio signals over shortwave frequencies, typically ranging from 3 to 30 MHz. This technology allows for the transmission of information across vast distances, making it an essential tool for both amateur radio operators and professional broadcasters alike.The principle behind a short wave transmitter lies in its ability to reflect radio waves off the ionosphere, a layer of the Earth's atmosphere that can bounce signals back to the ground. This unique characteristic enables the transmission of signals beyond the horizon, which is particularly useful for communicating with remote areas or during emergencies when other forms of communication may be unavailable.One of the most fascinating aspects of a short wave transmitter is its ability to reach international audiences. For instance, many international broadcasters utilize shortwave transmission to reach listeners in different countries, providing news, entertainment, and educational content. This form of broadcasting is especially important in regions where access to reliable news sources is limited or where censorship may restrict information flow.Moreover, the short wave transmitter has become a popular choice among amateur radio enthusiasts. Ham radio operators use these devices to connect with fellow operators across the globe, sharing experiences, technical knowledge, and even participating in contests. The thrill of making contact with someone thousands of miles away is a unique experience that fosters a sense of community among users.In addition to personal and recreational use, short wave transmitters have proven invaluable in various professional fields. For example, they are used by maritime and aviation industries for communication purposes. Ships at sea rely on shortwave radios to communicate with coastal stations, ensuring their safety and navigation accuracy. Similarly, pilots use shortwave communication to stay in touch with air traffic control when flying over remote areas.However, despite their advantages, short wave transmitters also face challenges. The quality of transmission can be affected by atmospheric conditions, such as solar activity, which can disrupt signals. Additionally, the rise of digital communication methods has led to a decline in the popularity of shortwave broadcasting. Many younger generations prefer streaming services and social media for their information needs, which poses a threat to traditional broadcasting methods.Nevertheless, the short wave transmitter remains a crucial element of global communication. Its ability to provide reliable information across borders makes it an indispensable tool, especially in times of crisis. As technology continues to evolve, it will be interesting to see how short wave transmitters adapt to the changing landscape of communication.In conclusion, the short wave transmitter is more than just a piece of equipment; it symbolizes the power of communication. It connects people across continents, transcending language and cultural barriers. Understanding the significance of a short wave transmitter helps us appreciate the intricate web of connections that bind our world together. As we move forward, it is essential to recognize and preserve the value of this technology, ensuring that it continues to serve as a bridge for communication in our increasingly interconnected society.

在今天的世界中，沟通对于社会的运作至关重要。一个在长距离通信中发挥重要作用的关键组成部分就是短波发射机。短波发射机是一种在短波频率（通常在3到30 MHz之间）上发射无线电信号的设备。这项技术使得信息能够跨越广阔的距离进行传输，成为业余无线电操作员和专业广播公司不可或缺的工具。短波发射机的原理在于其能够将无线电波反射到电离层，这是地球大气层的一层，可以将信号反弹回地面。这一独特特性使得信号的传输超越地平线，这对于与偏远地区进行通信或在其他通信方式可能无法使用的紧急情况下特别有用。短波发射机最迷人的一个方面是它能够触及国际听众。例如，许多国际广播公司利用短波传输向不同国家的听众传播新闻、娱乐和教育内容。这种广播形式在那些可靠新闻来源有限或审查制度可能限制信息流动的地区尤为重要。此外，短波发射机也已成为业余无线电爱好者的热门选择。业余无线电操作员使用这些设备与全球的其他操作员联系，分享经验、技术知识，甚至参加比赛。与数千公里外的人取得联系的刺激体验是一个独特的经历，促进了用户之间的社区感。除了个人和娱乐用途，短波发射机在各个专业领域也被证明是无价的。例如，它们被海事和航空行业用于通信目的。在海上的船只依赖短波无线电与沿海站点进行通信，以确保安全和导航准确性。同样，飞行员在飞越偏远地区时使用短波通信与空中交通管制保持联系。然而，尽管有其优势，短波发射机也面临挑战。传输质量可能受到大气条件的影响，例如太阳活动，这可能会干扰信号。此外，数字通信方法的兴起导致短波广播的受欢迎程度下降。许多年轻一代更喜欢通过流媒体服务和社交媒体获取信息，这对传统广播方式构成了威胁。尽管如此，短波发射机仍然是全球通信的重要组成部分。它能够跨越国界提供可靠的信息，使其成为一种不可或缺的工具，尤其是在危机时期。随着技术的不断发展，观察短波发射机如何适应变化的通信格局将是非常有趣的。总之，短波发射机不仅仅是一件设备；它象征着沟通的力量。它连接着跨越大陆的人们，超越了语言和文化的障碍。理解短波发射机的重要性帮助我们欣赏将我们这个世界联系在一起的复杂网络。随着我们向前发展，认识和保护这项技术的价值至关重要，确保它继续作为我们日益互联的社会中的沟通桥梁。